Security readout for executives and security teams
Plain-English summary
Some NETGEAR ReadyNAS OS 6 devices before version 6.8.0 can store malicious script content. If a privileged user later views the affected interface, the script could run in their browser and affect confidentiality, integrity, or availability at a limited level.
Executive priority
Treat this as a moderate-priority appliance hygiene issue. It is not listed as actively exploited in the provided sources, but legacy NAS appliances often hold sensitive data and should be upgraded or isolated promptly.
Technical view
CVE-2017-18814 is a stored XSS issue in NETGEAR ReadyNAS OS 6 prior to 6.8.0. The CVSS 3.0 score is 5.2, with local attack vector, low complexity, high privileges required, user interaction required, changed scope, and low CIA impact.
Likely exposure
Exposure is limited to NETGEAR ReadyNAS OS 6 appliances running versions earlier than 6.8.0. The bundled CVE metadata does not enumerate CPEs or specific models, so inventory should be checked against NETGEAR’s advisory.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires high privileges and user interaction, reducing broad internet-scale urgency but leaving risk in managed NAS environments.
Researcher notes
The public metadata is sparse: affected vendor/product fields and CWE are not populated. Analysis relies on the CVE description, CVSS vector, and NETGEAR advisory reference. Avoid assuming model coverage beyond the advisory.
Mitigation direction
- Upgrade affected ReadyNAS OS 6 devices to version 6.8.0 or later.
- Review NETGEAR’s advisory for model-specific firmware guidance.
- Restrict administrative access to trusted management networks.
- Limit ReadyNAS administrative privileges to users who require them.
Validation and detection
- Inventory ReadyNAS OS 6 devices and record firmware versions.
- Flag any ReadyNAS OS 6 device running below version 6.8.0.
- Confirm administrative interfaces are not broadly reachable.
- Check vendor advisory coverage for each deployed ReadyNAS model.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-18814 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R1.13.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.2MediumVector: CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049051/Security-Advisory-for-Stored-Cross-Site-Scripting-Vulnerability-on-Some-ReadyNAS-devices-PSV-2017-0295CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.